[thepanister]

The latest number I heard is 102, but I think it's more, if you consider adding the latest round that included divvyshot.

You will find some here: http://ycombinator.com/faq.html at the first question. And you will find some here: http://en.wikipedia.org/wiki/Y_Combinator

Also consider searching TechCrunch for ycombinator, as they write about the startups that's funded by YC.